Home / 112,298.40-168,301.92-45,660.96

Finding the Fourth Proportional to 112,298.40, 168,301.92 and 45,660.96

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Solution

The fourth proportional to 112,298.40, 168,301.92 and 45,660.96 is: 68,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,298.40 : 168,301.92 = 45,660.96 : x
  2. Step 2: Convert to fraction form
    112,298.40/168,301.92 = 45,660.96/x
  3. Step 3: Cross multiply
    112,298.40x = 168,301.92 × 45,660.96
  4. Step 4: Simplify right side
    112,298.40x = 7,684,827,237.04
  5. Step 5: Solve for x
    x = 7,684,827,237.04/112,298.40
  6. Step 6: Final answer
    x = 68,432.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.